India's prime minister has ordered a drive to rid the streets of rubbish, but his Clean India campaign could spell the end for Delhi's army of informal rubbish collectors. I went to speak to them, with my sketchpad.

"Junk, bring out your junk," Lakhan Singh calls out, as he makes his daily bike round of one of Delhi's plushest neighbourhoods.

But no-one responds from behind the dense shrubs and high walls.

These leafy avenues of colonial-era bungalows were once his best source of saleable rubbish. But his bike rack, strapped with collection sacks, is empty.

Lakhan Singh, known as Lucky, is one of Delhi's army of informal waste collectors or kabadi wallahs - long a fixture of the city's street life and essential to the battle with rubbish in the absence of a comprehensive city-wide collection regime.

Rescuers in Pakistan are trying to reach hundreds of thousands of people cut off by floods which have destroyed homes and large areas of farmland. The BBC's Andrew North joined emergency teams in one of the worst-hit areas in Punjab province.

The first sign of human life in Kotla Nek Ahmed village is the angular tips of three tombstones.

The BBC has obtained exclusive footage of the aftermath of Pakistani air strikes against the Taliban in North Waziristan - but some say it's still protecting certain militants it has supported in the past.